Particulate matter detector



1. Particulate matter detector

1.1 is a front view of a particulate matter detector showing our new design.

1.2 is a rear view thereof.

1.3 is a left side view thereof.

1.4 is a right side view thereof.

1.5 is a top view thereof.

1.6 is a bottom view thereof.

1.7 is a perspective view thereof.

The features shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a particulate matter detector, as shown and described. 